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台形 表面積 求め方 7

台形の面積を求める公式 は、次の通りです。 台形の面積 = {上底+下底}×高さ÷ 2 台形の面積 = { 上底 + 下底 } × 高さ ÷ 2 この記事には13件の参照文献があり、文献一覧は記事の最後に表示されています。, 様々な図形があり、その面積を求める理由も様々でしょう。居間の壁の塗り替えに必要な塗料の量を確認するため又は宿題のために図形の面積の求め方を知りたいのならwikiHowにお任せください!ステップ1から順に図形の面積を求める方法を紹介しましょう。, wikiHowは「ウィキ」サイトの一つであり、記事の多くは複数の著者によって共著されています。 この記事は、匿名の筆者を含む20人が執筆・推敲を行い、時間をかけて編集されました。, 当社はwikiHowの利便性を高めるためにクッキーを使用しています。当ウェブサイトを利用することにより、利用者は当社の, {"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/7\/7f\/Find-the-Area-of-a-Shape-Step-1-Version-4.jpg\/v4-460px-Find-the-Area-of-a-Shape-Step-1-Version-4.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/7\/7f\/Find-the-Area-of-a-Shape-Step-1-Version-4.jpg\/v4-728px-Find-the-Area-of-a-Shape-Step-1-Version-4.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"

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<\/div>"}, https://www.mathsisfun.com/geometry/rectangle.html, https://www.mathsisfun.com/geometry/square.html, https://www.khanacademy.org/math/basic-geo/basic-geo-area-and-perimeter/area-trap-composite/v/area-of-a-trapezoid-1, https://www.mathgoodies.com/lessons/vol1/area_trapezoid, https://www.khanacademy.org/math/basic-geo/basic-geo-area-and-perimeter/area-circumference-circle/v/area-of-a-circle, https://www.mathsisfun.com/geometry/circle-area-by-sectors.html, https://www.khanacademy.org/math/geometry/hs-geo-circles/hs-geo-sectors/v/area-of-a-sector-given-a-central-angle, https://www.mathopenref.com/arcsectorarea.html, https://www.math.hmc.edu/funfacts/ffiles/10006.3.shtml, https://www.khanacademy.org/math/basic-geo/basic-geo-area-and-perimeter/area-triangle/a/area-of-triangle, https://www.khanacademy.org/math/basic-geo/basic-geo-area-and-perimeter/area-triangle/v/example-finding-area-of-triangle, https://www.khanacademy.org/math/basic-geo/basic-geo-area-and-perimeter/area-trap-composite/v/area-breaking-up-shape, calculer la surface d'une forme géométrique, Calcolare l'Area di una Figura Geometrica, किसी भी आकृति का क्षेत्रफल निकालें (Find the Area of a Shape), 平行四辺形の面積を求めるには、底辺とそこから垂直に伸びる高さを知る必要がありますが、基本的には幅と高さと同じように考えます。, 現実には自分で測る必要がありますが、宿題の場合はこれらの数値があらかじめ図形に記されているでしょう。, 正方形の面積を求める場合は、電卓で1辺を2乗すると早く計算できます。1辺の長さが4㎝なら電卓の4を押してから2乗ボタンを押すと4の2乗が自動的に計算できます。, 現実には自分で測る必要がありますが、宿題の場合はこの数値があらかじめ図形に記してあるでしょう。, 直角と平行線に注目して分割する部分を決めましょう。これらは様々な図形の基礎になります。, 計測した数値の単位を変えないで計算します。単位を変えると正確な答えを求めることができません。.

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